package com.sky.handler;

import com.sky.constant.MessageConstant;
import com.sky.exception.BaseException;
import com.sky.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.dao.DuplicateKeyException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 捕获业务异常
     * @param ex
     * @return
     */
    @ExceptionHandler
    public Result exceptionHandler(BaseException ex){
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(ex.getMessage());
    }

/*    *//**
     * 全局异常捕获
     * @param exception
     * @return
     *//*
    @ExceptionHandler(Exception.class)
    public Result<?> exception(Exception exception){
        log.error(exception.getMessage(),exception);
        return Result.error("系统开小差了~");
    }*/

    /**
     * 新增员工姓名重复
     * 如果需要捕捉全局异常，那么下面捕捉的异常改为DuplicateKeyException
     * @param exception
     * @return
     */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public Result<?> sqlIntegrityConstraintViolationException(SQLIntegrityConstraintViolationException exception){
        String message = exception.getMessage();
        log.error(message,exception);
        log.error(MessageConstant.ALREADY_EXISTS);
        if(message.contains("Duplicate entry")){
            String[] splic = message.split(" ");
            String msg = splic[2] + MessageConstant.ALREADY_EXISTS;
            return Result.error(msg);
        }else {
            return Result.error(MessageConstant.UNKNOWN_ERROR);
        }
    }
}
